When power is lost or turned off, a ROM chip will keep the information stored on it. In contrast, a RAM chip is volatile and requires a constant source of power to retain information. When power is lost or turned off, a RAM chip will lose the information stored on it.
The Crown of Thorns at Notre Dame Cathedral in Paris. The relics of the Passion presented at Notre-Dame de Paris include a piece of the Cross along with the Holy Crown of Thorns, and of all the relics at the Notre Dame de Paris Cathedral, the Crown of Thorns is without a doubt the most precious and the most revered.
The adult crown-of-thorns is a carnivorous predator that usually preys on reef coral polyps. It climbs onto a section of living coral colony using the large number of tube feet on its oral surface and flexible body. It fits closely to the surface of the coral, even the complex surfaces of branching corals.